Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Zinc and carbon Lead peroxide and lead Iron and cadmium Nickel and cadmium Zinc and carbon Lead peroxide and lead Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Stainless steel High speed steel Cast iron Wrought iron Stainless steel High speed steel Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Neon Nitrogen Sodium Hydrogen Neon Nitrogen Sodium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Mental stimulant Hallucinating substance Tranquillizer Sedative Mental stimulant Hallucinating substance Tranquillizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Citric acid Acetic acid Hydrochloric acid Oxalic acid Citric acid Acetic acid Hydrochloric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alloy is used in making magnet ? Alnico Duralumin Magnalium Stainless steel Alnico Duralumin Magnalium Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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